Wideband access system based on HFC (Hybrid Fiber Coaxial) network
A technology for accessing systems and networks, applied in transmission systems, broadband local area networks, digital transmission systems, etc., which can solve problems such as complex operations, low utilization efficiency of available bandwidth, unsuitable mixed transmission of data and video stream signals, etc., to reduce noise Effect
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[0058] Embodiments of the present invention and their working principles will be described in detail below with reference to the accompanying drawings.
[0059] When implementing the present invention, its realization method of technology different from DOCSIS network is as follows:
[0060] (1) Network transformation of the system
[0061] Such as figure 2 As shown, a broadband access system based on an HFC network is composed of a front-end access system, an HFC network, and a terminal access system. The front-end access system and the terminal access system are connected through an HFC network, and the HFC network is composed of an optical The transmission part is composed of a coaxial cable transmission part, wherein the optical transmission part includes an optical transmitter, an optical receiver, a photoelectric conversion node and an optical fiber, and the coaxial cable transmission part is a coaxial cable network;
[0062] The front-end access system is provided wi...
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